17.21.0.0/16

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Summary

IP address summary information
ASNs	1
Countries	1
BGP Prefixes	1
Routers	0
Pingable IPs	0

United States
100.00%


17.21.0.0/24	United States100.00%	1	1
17.21.1.0/24	United States100.00%	1	1
17.21.2.0/24	United States100.00%	1	1
17.21.3.0/24	United States100.00%	1	1
17.21.4.0/24	United States100.00%	1	1
17.21.5.0/24	United States100.00%	1	1
17.21.6.0/24	United States100.00%	1	1
17.21.7.0/24	United States100.00%	1	1
17.21.8.0/24	United States100.00%	1	1
17.21.9.0/24	United States100.00%	1	1

Sub-ranges

Pingable IPs

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.


72.131.55.96	AS10796Charter Communications Inc	10.99ms from Chicago, US
69.151.176.48	AS7018AT&T Enterprises, LLC	8.72ms from Chicago, US
190.10.49.0	AS11830Instituto Costarricense de Electricidad y Telecom.	3.44ms from Curridabat, CR
103.139.180.112	AS132934Skymax Broadband Services Pvt. Ltd.	1.37ms from Delhi, IN
119.163.69.208	AS4837CHINA UNICOM China169 Backbone	2.30ms from Jinan, CN
87.23.54.0	AS3269Telecom Italia S.p.A.	0.79ms from Milan, IT
182.165.164.208	AS17511OPTAGE Inc.	2.15ms from Osaka, JP
117.123.249.0	AS17849SK Broadband Co Ltd	2.16ms from Seoul, KR
107.130.67.0	AS7018AT&T Enterprises, LLC	9.09ms from Atlanta, US
24.128.145.32	AS7922Comcast Cable Communications, LLC	9.73ms from Flint, US

Pingable IPs

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$ traceroute -a -n -q1 -m16 17.21.172.33

traceroute to 17.21.172.33 (17.21.172.33): 16 hops max, 52 byte packets

1 [AS7195] 200.25.16.67 4.618 ms

2 [AS7195] 200.25.75.58 2.548 ms

3 [AS7195] 200.25.51.86 14.837 ms

4 [AS7195] 200.25.51.15 117.573 ms

5 [AS7195] 200.25.51.35 118.535 ms

6 [AS714] 17.1.152.154 119.006 ms

7 [AS714] 17.1.0.34 141.581 ms

8 [AS714] 17.0.14.78 164.635 ms

9 [AS714] 17.0.14.51 138.164 ms

10 [AS714] 17.0.15.40 148.787 ms

11 [AS714] 17.0.19.229 139.107 ms

12 [AS714] 17.0.144.73 139.598 ms

13 [AS714] 17.1.250.127 137.882 ms

14 *

15 *

16 *

Measurement taken from

IPinfo ProbeNet in Brasilia, BR

On July 13, 2026

Traceroute

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17.21.0.0/16

Summary

Sub-ranges

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

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17.21.0.0/16

Summary

Statistics

Statistics

Sub-ranges

Sub-ranges

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

An API built with users in mind: reliable, accurate, and easy-to-use

Our IP tools

What is my IP?

Map IPs

Summarize IPs

Statistics

Sub-ranges

Pingable IPs

Other Pingable IPs

Traceroute